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SVX MPG
Bob:
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I have a couple of SVX correspondents reporting ~20mpg highway, but pretty sure this is at 55 - 60 mph steady. Seems doable, as my 17 mpg to date is av 70+ mph, with a van that ain't running right (yet) IMHO, vanagon (esp westy) mileage is more a function of lousy aerodynamics than cylinder count. My clapped out 1.9L WBX didn't do any better than 17, albeit WFO most of the time. --- In subaruvanagon@..., Robert Stevens <mtbiker62@...> wrote:
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Re: SVX Hesitation
Corey
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Believe you're right; its at all speeds - just much more prevalent around town. The fact that it seems to effect so many SVX conversions (search the forum archives)makes me wonder whether there isn't a generic, conversion related issue. That everyone could have a bad MAF, etc is a bit implausible. What year is your SVX motor/ECU? The SVX car crowd seems to feel a hesitation problem exists with the '92 models (like mine). There's an ECU mod (recall) to fix, I think. Not sure if all the vanagon conversion SVX hesitation reports are '92's though. I think Neil is right: we're fundamentally missing something in the ECU inputs area - probably with the TCU inputs. Also, do you have a VSS? Driving with the hesitation gets old in a hurry, at least for me. --- In subaruvanagon@..., Corey Deahl <corey.deahl@...> wrote:
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Re: SVX: Idle Fixed; Still Hesitates though...
John, I have had similar issues with stumbling and hesitation with my SVX with Vanagon automatic. The wiring diagram shows a VSS input to the ECU but no specific information about how this input is used. Probably shift point input and low speed and idle response. My automatic runs great without the VSS but I get CEL with code 27 (OBD l). With a VSS hooked up the CEL goes away but it runs bad. This was consistent and it would run bad for weeks with the VSS. One day on my way home I pulled over and hooked up my Dan Flemming VSS, without turning off the motor. The light went out, and it has run great and the light stayed out. So suddenly it is happy with the VSS. This points to the adaptive nature of the ECU and when it may recalculate some parameters. If you are unable to pin point a more logical explanation for your issue, experiment with the VSS. By the way, here in California, premium is consistently 20 cents more the regular, representing a declining percentage of total cost for gas in the past few years. At $4.40 a gallon for premium you get to haul ass for .2588 cents per mile at 17 mpg. At 4.20 a gallon,not so much, and if you don't get 16.23 mpg you'r loosing money. John
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Re: SVX Hesitation
On Apr 26, 2012, at 1:32 PM, Craig Morton wrote:
Neil:I "think" this is what Neil is talking about Craig. bob |
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Re: SVX Hesitation
Neil:
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I missed part of this thread. Are you saying there is a chip that can be plugged into the ECU that will allow the 3.3 to run satisfactorily on regular gasoline? Can you you provide details like driving characteristics, cost, and source? Thanks. Craig --- On Thu, 4/26/12, Neil <furrylittleotter@...> wrote:
From: Neil <furrylittleotter@...> Subject: [subaruvanagon] Re: SVX Hesitation To: subaruvanagon@... Date: Thursday, April 26, 2012, 12:28 PM ? I hate to say it, and I'm not selling anything but you may want to get the chip, it pays for itself using 87 octane. I seem to remember drivibility improving when I popped it in. I don't drive my van all that hard, it LOVES to be wound out a little. I am old school VW from way back, so it was hard for me to get used to driving higher RPMs, but this is not a VW motor, it bogs big time when loaded, especially on these SoCal hills and against the wind. Weight is not nearly as much a factor as wind. I towed a Kit car cross-country with a HEAVILY loaded van and it cheerfully tugged it, unless the wind was against us, then it bogged and mileage was practically cut in half. I don't want to get into a discussion on tyres here. I am also going to shy away from the mileage question here, I'd rather work toward a solution to your drivibility question, since that was the original post. Neil [Non-text portions of this message have been removed] |
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Re: SVX Hesitation
Corey Deahl
I just got mine running finally and am having similar issues with
hesitation (I think), though it doesn't seem to matter how fast I'm going. If I mash the pedal, it runs great! Otherwise, it's a constant feeling of stuckness/hesitation until it whips my head back and takes off with some gas. I'm glad I'm not alone in trying to figure this stuff out. |
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Re: registering ej25 conversion in CA
Jeffrey Vickers
It looks like you already have a running 2.5 so the short answer is "no", unless you are close friends with a SMOG station which means you'll be going down that road every two years. BAR won't go near anything OBDII. Best to have the BAR sticker and swap the bottom of a 2.2, IMHO.
A SMOG legal 2.5 can be done and its done more frequently these days but you need to start with a 2.2, get your BAR sticker from a ref and then whack a 2.5 bottom end on the 2.2. You keep all your wiring and upper engine stuff, heads and exhaust. You can shorten the rods for a bit more torque or use different pistons and get different compression ratios to suit your needs. You'll pass SMOG with 2.2 specs and pick up almost 30 HP over the 2.2. Welcome to California! Jeff in Marin |
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Re: SVX Hesitation
Neil
I hate to say it, and I'm not selling anything but you may want to get the chip, it pays for itself using 87 octane. I seem to remember drivibility improving when I popped it in.
I don't drive my van all that hard, it LOVES to be wound out a little. I am old school VW from way back, so it was hard for me to get used to driving higher RPMs, but this is not a VW motor, it bogs big time when loaded, especially on these SoCal hills and against the wind. Weight is not nearly as much a factor as wind. I towed a Kit car cross-country with a HEAVILY loaded van and it cheerfully tugged it, unless the wind was against us, then it bogged and mileage was practically cut in half. I don't want to get into a discussion on tyres here. I am also going to shy away from the mileage question here, I'd rather work toward a solution to your drivibility question, since that was the original post. Neil |
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Re: How to start with electrical
Ah, so the kennedy diagram is the missing link? Okay, thanks
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The problem is I don't know which connector I'm ging to keep...presumably the above diagram will let me know. Nathaniel --- In subaruvanagon@..., UDO SILLE <usille@...> wrote:
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Re: No 12v power to fridge question Westy/2.2
jimhilton40
So maybe I just have a defective relay? Thanks
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--- In subaruvanagon@..., UDO SILLE <usille@...> wrote:
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Re: SVX Hesitation
On Apr 26, 2012, at 7:45 AM, hisport wrote:
So far, i'm seeing ~17mpg mixed, which is sorta disappointing, but seems to be the common experience.I don't have the SVX engine in my van, but your mileage report is on the high end of what i've seen other SVX-powered Vanagon owners report here on this list. If I can ask ¡ where did you get the information that your mileage would be above what you are getting now, before you installed the SVX? Bob |
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Re: SVX Hesitation
Thanks Neil
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No chip, and premium gas. Do those tires rub in the front? i did alot of homework before putting in 215 65 16, only to find that they rub (eg entering a sharp up driveway while turning) Sure, our vans will go crazy speeds in 3rd etc (as will any modern van in kick down), but who wants to drive that way? My ideal is to make the drive as quiet and peaceful as possible, with good fuel mileage. So far, i'm seeing ~17mpg mixed, which is sorta disappointing, but seems to be the common experience. By reference, I drove a rental GM small SUV about 1200 miles last week in CA visiting family around the state. Gutless V6, but quiet and nice on highway. Mileage ~16mpg. My 400HP M5 routinely gets 23mpg; our V6 e320 wagon 25 - 28mpg. --- In subaruvanagon@..., "Neil" <furrylittleotter@...> wrote:
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Re: How to start with electrical
Start by getting the schematic for the 90 Subaru. Then, mark every
connector you're going to keep. Then, cut off every other non-keeper and the associated wiring. Follow what you're doing on the schematic. Once you have it all to minimal, you can sort it to fit the Vanagon. Easy. |
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Re: How to start with electrical
Rob
down the page half way, wiring instructions for $20 is what you need.
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Worked for me. Rob becida@... or you can send it to Tom Shiels & he'll do it At 4/25/2012 08:44 PM,Basil wrote:
Hi all, I've managed to rip the two harnesses out of my donor 90 Legacy. I"ve looked at photos, suby schemtics, and list of things to take and so forth, but I haven't found a "final" wiring diagram - one that shows what I should cut off and what to keep, and how to stitch it to the Vanagon wiring? I suppose I could trace back from the engine components, ignitor module, MAFM, and so forth but someone must have assembled a final wiring digram, I'm assuming. I'm afraid if I just follow my nose on this one I'll miss something important, especially for the ECU. |
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Re: registering ej25 conversion in CA
dennis miller
Mark
There are ways but it depends on how aggressive you are willing to be. These are some of the ones I know of. There is a shop in Sacramento that has been able to get approval for VW 1.8 turbo/vanagon installations without a formal exemption on a case-by-case basis. His experience is that if you show up with an installation that is identical to the stock donor installation in every smog related detail, you might be able to get it approved. Individual referee techs do have a small amount of discretion. This is a real risky way to go though. It would be best to go and talk to the tech at the referee station and find out if they are open to this approach. Some rural CA counties are exempt from smog check requirements. Get the car registered in one of those counties. The exempt counties are listed on the DMV website. This is a good way to go since you still have a Ca license plate. I know of at least two owners who do it this way. Set up your own corporation in Montana to own your vehicles. Though technically, if the car is registered outside of Ca, it is supposed to be registered in CA within 90 days, this rule doesn't apply because the vehicle is owned, not by you, but by your Montana LLC, so the residency rule doesn't apply. Drawbacks are that it's a little expensive and you will have a Montana license plate. There are companies in Montana that specialize in this. It can all be done by mail. Your mileage may vary Dennis From: subaruvanagon@... [mailto:subaruvanagon@...] On Behalf Of mshilge Sent: Wednesday, April 25, 2012 3:30 PM To: subaruvanagon@... Subject: [subaruvanagon] registering ej25 conversion in CA Hi all, Wondering what options I have to register my conversion in CA? I recall that the ej22 has been certified, any way to be legal with an ej25? Thanks, Mark 89 westy syncro ej25 |
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Re: SVX Hesitation
Neil
I will follow your progress as you work on this problem, but I will add that today, just for you, I noted that my van HATES to run 30 mph or under in third gear, going straight, not around a corner. I do not know my ring and pinion gearing but I believe it is pretty tall, my tires are huge 235/70R16 and I have tall 3rd and 4th gears (aftermarket from AA transaxle) Personally I do not see this as a problem, I simply downshift.
My van likes to run 0-20 in 1st, 20-34 in 2nd, 34-60 in 3rd and 60- 100+ in 4th. I am curious about the manual trans ECU as well but since it would be JDM, I would hesitate to try it. I DO have the chip from Smallcar, do you? I also run regular 87 octane, do you? Neil |
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How to start with electrical
Hi all, I've managed to rip the two harnesses out of my donor 90 Legacy. I"ve looked at photos, suby schemtics, and list of things to take and so forth, but I haven't found a "final" wiring diagram - one that shows what I should cut off and what to keep, and how to stitch it to the Vanagon wiring? I suppose I could trace back from the engine components, ignitor module, MAFM, and so forth but someone must have assembled a final wiring digram, I'm assuming. I'm afraid if I just follow my nose on this one I'll miss something important, especially for the ECU.
I appreciate any help. Nathaniel |
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SVX Hesitation
My SVX vanagon definitely doesn't run properly, regardless of gearing specifics, etc. I'm old enough to rememeber the hesitation and stumbling associated with a bad accelerator pump; its like that.
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Having chased around looking for vacuum leaks or sticking IAC or IAB valves, I definitely agree that we're babes in the woods when it comes to really understanding SVX ECU inputs. My wandering/racing idle problem turned out to be an intermittent VSS input. Could very well be that the SVX ECU is looking for specific TCU (transmission control unit) inputs that we don't even know about. I've read enough of the forum archives to know that I'm not the lone ranger - lots of posts about this SVX vanagon hesitation problem, though no seeming fix. I'm looking now at the SVX forum, and will try some of their diagnostic approaches to see if I can narrow down the hesitation cause. BTW, my westy is geared for ~ 2850 RPM at 70mph, by way of AA transaxle .70 4th/1.14 3rd and 215/65 16 yoko geolander tires. It has more than enough torque to pull this gearing, which is still quite low compared to any modern 6 cylinder van (which I think typically run 1900 - 2200RPM at ~ 70mph). Looking at the eg33 torque chart (vs the wbx torque curve), this SVX engine should be very tractable at low engine speeds. It is not cammy by any stretch. Indeed, when my eg33 has cleared its throat, it pulls smoothly from about 30 mph in top gear. I know that some fellow eccentrics have converted SVX coupes to manual transmissions. I wonder whether any JDM SVX's were actually delivered this way from the factory. Be interesting to see if a MT SVX ECU exists. --- In subaruvanagon@..., "Neil" <furrylittleotter@...> wrote:
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Bob Stevens
Brent Weide
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